Ameren Corporation (AEE) closed at $106.41 on September 4, 2026, notching a 0.47% gain over the prior 24 hours. The modest advance offered some relief after a stretch of subdued performance for the St. Louis-based utility.
Looking at a broader window, the stock slipped 0.31% over the past seven days and is down 2.26% over the trailing 30 days. The recent softness has trimmed Ameren's market capitalization to $29.31 billion.
The one-day uptick places AEE slightly in positive territory on a daily basis, but the stock has yet to recover the ground lost over the past month. The utility sector's sensitivity to interest rate movements and regulatory developments can weigh on share prices over multi-week periods.
Ameren's market capitalization of $29.31 billion reflects its standing as one of the larger regulated utility holding companies in the Midwest. Day-to-day trading activity, as seen in today's 0.47% rise, continues to unfold against the backdrop of a modest one-month decline.



